reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=aarch64 -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s
--- |
  target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
  target triple = "aarch64"

  define void @test_ms1(i8* nocapture %dst, i32 %c, i32 %len) local_unnamed_addr #0 {
  entry:
    %0 = trunc i32 %c to i8
    %conv = zext i32 %len to i64
    tail call void @llvm.memset.p0i8.i64(i8* align 1 %dst, i8 %0, i64 %conv, i1 false)
    ret void
  }

  declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1 immarg) #1

  define void @test_ms2_const(i8* nocapture %dst, i32 %c) local_unnamed_addr #0 {
  entry:
    %0 = trunc i32 %c to i8
    tail call void @llvm.memset.p0i8.i64(i8* align 1 %dst, i8 %0, i64 16, i1 false)
    ret void
  }

  define void @test_ms3_const_both(i8* nocapture %dst) local_unnamed_addr #0 {
  entry:
    tail call void @llvm.memset.p0i8.i64(i8* align 1 %dst, i8 64, i64 16, i1 false)
    ret void
  }

  define void @test_ms4_const_both_unaligned(i8* nocapture %dst) local_unnamed_addr #0 {
  entry:
    tail call void @llvm.memset.p0i8.i64(i8* align 1 %dst, i8 64, i64 18, i1 false)
    ret void
  }

  declare void @llvm.stackprotector(i8*, i8**) #2

  attributes #0 = { nounwind ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="cyclone" "target-features"="+aes,+crypto,+fp-armv8,+neon,+sha2,+zcm,+zcz" "unsafe-fp-math"="false" "use-soft-float"="false" }
  attributes #1 = { argmemonly nounwind }

...
---
name:            test_ms1
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $w1, $w2, $x0

    ; CHECK-LABEL: name: test_ms1
    ; CHECK: liveins: $w1, $w2, $x0
    ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
    ; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY $w2
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY1]](s32)
    ; CHECK: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[COPY2]](s32)
    ; CHECK: G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.memset), [[COPY]](p0), [[TRUNC]](s8), [[ZEXT]](s64), 1 :: (store 1 into %ir.dst)
    ; CHECK: RET_ReallyLR
    %0:_(p0) = COPY $x0
    %1:_(s32) = COPY $w1
    %2:_(s32) = COPY $w2
    %3:_(s8) = G_TRUNC %1(s32)
    %4:_(s64) = G_ZEXT %2(s32)
    G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.memset), %0(p0), %3(s8), %4(s64), 1 :: (store 1 into %ir.dst)
    RET_ReallyLR

...
---
name:            test_ms2_const
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $w1, $x0

    ; CHECK-LABEL: name: test_ms2_const
    ; CHECK: liveins: $w1, $x0
    ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY1]](s32)
    ; CHECK: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[TRUNC]](s8)
    ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 72340172838076673
    ; CHECK: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[ZEXT]], [[C]]
    ; CHECK: G_STORE [[MUL]](s64), [[COPY]](p0) :: (store 8 into %ir.dst, align 1)
    ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
    ; CHECK: [[GEP:%[0-9]+]]:_(p0) = G_GEP [[COPY]], [[C1]](s64)
    ; CHECK: G_STORE [[MUL]](s64), [[GEP]](p0) :: (store 8 into %ir.dst + 8, align 1)
    ; CHECK: RET_ReallyLR
    %0:_(p0) = COPY $x0
    %1:_(s32) = COPY $w1
    %3:_(s64) = G_CONSTANT i64 16
    %2:_(s8) = G_TRUNC %1(s32)
    G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.memset), %0(p0), %2(s8), %3(s64), 1 :: (store 1 into %ir.dst)
    RET_ReallyLR

...
---
name:            test_ms3_const_both
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $x0

    ; CHECK-LABEL: name: test_ms3_const_both
    ; CHECK: liveins: $x0
    ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
    ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 4629771061636907072
    ; CHECK: G_STORE [[C]](s64), [[COPY]](p0) :: (store 8 into %ir.dst, align 1)
    ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
    ; CHECK: [[GEP:%[0-9]+]]:_(p0) = G_GEP [[COPY]], [[C1]](s64)
    ; CHECK: G_STORE [[C]](s64), [[GEP]](p0) :: (store 8 into %ir.dst + 8, align 1)
    ; CHECK: RET_ReallyLR
    %0:_(p0) = COPY $x0
    %1:_(s8) = G_CONSTANT i8 64
    %2:_(s64) = G_CONSTANT i64 16
    G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.memset), %0(p0), %1(s8), %2(s64), 1 :: (store 1 into %ir.dst)
    RET_ReallyLR

...
---
name:            test_ms4_const_both_unaligned
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $x0

    ; CHECK-LABEL: name: test_ms4_const_both_unaligned
    ; CHECK: liveins: $x0
    ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
    ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 4629771061636907072
    ; CHECK: G_STORE [[C]](s64), [[COPY]](p0) :: (store 8 into %ir.dst, align 1)
    ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
    ; CHECK: [[GEP:%[0-9]+]]:_(p0) = G_GEP [[COPY]], [[C1]](s64)
    ; CHECK: G_STORE [[C]](s64), [[GEP]](p0) :: (store 8 into %ir.dst + 8, align 1)
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[C]](s64)
    ; CHECK: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
    ; CHECK: [[GEP1:%[0-9]+]]:_(p0) = G_GEP [[COPY]], [[C2]](s64)
    ; CHECK: G_STORE [[TRUNC]](s16), [[GEP1]](p0) :: (store 2 into %ir.dst + 16, align 1)
    ; CHECK: RET_ReallyLR
    %0:_(p0) = COPY $x0
    %1:_(s8) = G_CONSTANT i8 64
    %2:_(s64) = G_CONSTANT i64 18
    G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.memset), %0(p0), %1(s8), %2(s64), 1 :: (store 1 into %ir.dst)
    RET_ReallyLR

...